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Nobel Prize in Physics Awarded for Invention of New Light Source

An American and Two Japanese Scientists Invented Light Source That Paved Way For LED Lamp

A trio of Japanese scientists was awarded the Nobel Prize for Physics on Tuesday, for the invention of efficient blue light-emitting diodes which enabled energy-saving white light sources that can last up to 100,000 hours. (Photo: Getty)

STOCKHOLM—Three Japanese-born scientists were awarded the Nobel Prize in Physics for inventing the blue light-emitting diode, which made possible a highly efficient light source that is increasingly replacing incandescent bulbs.

The prize was jointly awarded to Isamu Akasaki of Meijo University and Nagoya University, Hiroshi Amano of Nagoya University, and Shuji Nakamura, who is now a U.S. citizen and a professor at the University...